[PATCH 49/63] perf trace: Enclose the errno strings with ()

[Arnaldo Carvalho de Melo]

From: Arnaldo Carvalho de Melo <a...@redhat.com>

To match strace, now both emit the same line for calls like:

 access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)

Cc: Adrian Hunter <adrian.hun...@intel.com>
Cc: Jiri Olsa <jo...@kernel.org>
Cc: Luis Cláudio Gonçalves <lclau...@redhat.com>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Wang Nan <wangn...@huawei.com>
Link: https://lkml.kernel.org/n/tip-krxl6klsqc9qyktoaxyih...@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/builtin-trace.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 226e994ac638..35d8fbe47ee4 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -2024,10 +2024,10 @@ errno_print: {
                const char *emsg = str_error_r(-ret, bf, sizeof(bf)),
                           *e = errno_to_name(evsel, -ret);
 
-               fprintf(trace->output, "-1 %s %s", e, emsg);
+               fprintf(trace->output, "-1 %s (%s)", e, emsg);
        }
        } else if (ret == 0 && sc->fmt->timeout)
-               fprintf(trace->output, "0 Timeout");
+               fprintf(trace->output, "0 (Timeout)");
        else if (ttrace->ret_scnprintf) {
                char bf[1024];
                struct syscall_arg arg = {
-- 
2.19.2